Group 1 - Hengsheng Energy reported that its CVD diamond product revenue accounted for 0.15% of total revenue in the first half of 2025, amounting to 683,500 yuan [1][2] - Hengyi Petrochemical's project for an annual production of 1.2 million tons of caprolactam and polyamide integration has entered the trial production phase [1][2] - Beixin Road and Bridge won a public works construction project worth 399 million yuan [1][2] Group 2 - Harsen Co. plans to acquire 45% equity in Dongtai Hongyu for 27 million yuan [1][2] - Shennong Technology's board member Huang Yong intends to reduce his holdings by up to 2.9 million shares [1][2] - Haon Automotive Electric received a product designation letter, estimating total revenue of approximately 576 million yuan over its lifecycle [1][2] Group 3 - Coldray Mining reported a net profit of 238 million yuan for the first three quarters, representing a year-on-year increase of 42.57% [1][2] - Tonghuashun's net profit for the first three quarters reached 1.206 billion yuan, up 85.29% year-on-year [1][2] - Binhua Co. submitted an application for H-share listing on the Hong Kong Stock Exchange [1][2]

Investment Rating - The report recommends a focus on companies involved in OCS systems, particularly those producing OCS machines and core components, with specific recommendations for 中际旭创, 光库科技, and 腾景科技 [3][34][35]. Core Insights - The OCS (Optical Circuit Switches) technology is highlighted as a key advancement in the optical networking industry, providing high bandwidth, low power consumption, and low latency, which are essential for modern data centers [11][14][34]. - The report emphasizes the increasing participation of major industry players in the OCS market, indicating a clearer development path for OCS technology and a potential acceleration in the performance realization of companies within the OCS supply chain [3][34]. Summary by Sections OCS Solutions at the Expo - The 26th China International Optoelectronic Exposition showcased various OCS solutions, with significant participation from over 3,800 exhibitors from more than 30 countries [10]. - Coherent presented two digital liquid crystal OCS solutions, featuring a 300-port and a 64-port model, both designed for high reliability and low power consumption [19][20]. - 光库科技 demonstrated a MEMS OCS solution capable of supporting 640 or 320 LC ports, already deployed in over 750,000 fiber optic connectors globally [25][26]. - 凌云光 and Polatis are leading the promotion of direct beam steering OCS technology, utilizing piezoelectric ceramics for precise light routing [27][31]. Investment Recommendations - The report suggests focusing on companies involved in OCS machines, such as 中际旭创, 德科立, 光库科技, and 凌云光, as well as core component manufacturers like 腾景科技 and 赛微电子 [3][34][35]. - The ongoing acceleration in global computing infrastructure and interconnect bandwidth is expected to enhance the performance realization of companies in the OCS supply chain [34]. Company Profit Forecasts and Valuation - The report provides earnings per share (EPS) and price-to-earnings (PE) ratios for key companies, with 中际旭创 projected to have an EPS of 8.58 in 2025 and a PE of 48, while 光库科技 is expected to have an EPS of 0.43 and a PE of 237 [4][35].